Reading @Kupar's recent lucky experience in his garden prompted me to write about this one which happened very recently. It was a lovely evening and generally quiet.  My wife and I were feeling a little frisky and decided to have some fun on the garden swing.  It is one of those which is three seats long with soft cushions.  She wore a dressing gown with nothing underneath and I wore some loose leisure wear.  We went out to the garden and tried to be sure that nobody was looking, although i